body{
    margin: 0;
    min-width: 800px;
}
#nav{
    padding: 4px 2px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #545652;
}
#nav>div{
    padding-bottom: 2px;
}
#nav a{
    margin: 0px 10px;
    color: lightgray;
    font-size: small;
    text-decoration: none;
    white-space: nowrap;
}
#nav a:hover{
    color: white;
}
#top{
    padding: 48px 32px;
    display: flex;
    justify-content: center;
}
#top>div{
    width: 1080px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
#top>div>div:first-of-type{
    display: flex;
    align-items: center;
    cursor: pointer;
}
#top>div>div>img{
    width: 32px;
    height: 32px;
}
#top>div>div>a{
    font-size: 30px;
    white-space: nowrap;
}
#top>div>div:last-of-type{
    max-width: 400px;
    margin: 0px 32px;
    display: flex;
    flex: 1;
    border: 1px solid silver;
    border-radius: 4px;
}
#ipt{
    padding: 8px;
    border: none;
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
    flex: 1;
}
#btn{
    position: relative;
    width: 36px;
    height: 36px;
    border-top-right-radius: 4px;
    border-bottom-right-radius: 4px;
    background: red;
    cursor: pointer;
}
#btn>div{
    position: absolute;
}
#btn>div:nth-of-type(1){
    top: 6px;
    left: 6px;
    width: 12px;
    height: 12px;
    border: 3px solid white;
    border-radius: 50%;
}
#btn>div:nth-of-type(2){
    top: 20px;
    left: 20px;
    width: 8px;
    height: 8px;
    background: white;
    border-bottom-right-radius: 4px;
}
#btn>div:nth-of-type(3){
    top: 23px;
    left: 20px;
    border: 3px solid transparent;
    border-bottom-color: red;
    border-left-color: red;
}
#btn>div:nth-of-type(4){
    top: 20px;
    left: 23px;
    border: 3px solid transparent;
    border-top-color: red;
    border-right-color: red;
}
#btn:hover{
    background: lightcoral;
}
#btn:hover>div:nth-of-type(3){
    border-bottom-color: lightcoral;
    border-left-color: lightcoral;
}
#btn:hover>div:nth-of-type(4){
    border-top-color: lightcoral;
    border-right-color: lightcoral;
}